Remove unnecessary dependency to qtjsbackend from sync.profile

Change-Id: I88cd4f5df44def04567d130c03121d34f2590e9a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Fix compile on Android.

Change-Id: I1be0423fcda0ddd30550d4a4a25581eb019282a7
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>